What happened to the carbon dioxide in Earth’s early atmosphere?
a. It escaped to space.
b. It remains in the atmosphere today.
c. It moved to the stratosphere.
d. It was incorporated into rocks and minerals.
e. It was incorporated into ocean waters.
d
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Why don't continental polar air masses form over Greenland?
A) Greenland isn't in the high latitudes. B) Greenland isn't in the low latitudes. C) Greenland is in the middle latitudes. D) Greenland isn't large enough.
Which of the following rock types represents the highest grade of metamorphism?
A) slate B) phyllite C) schist D) gneiss
What is naxalite?
A) practices against the Dalit communities B) village of a marginal caste community C) violent uprising by conservative Hindus D) violent uprising by the poor and adivasi E) none of the above
The most common component of the atmosphere is
A. particulates. B. carbon dioxide. C. aerosols. D. nitrogen.